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Finding the Fourth Proportional to 1,833,126.02, 2,749,527.48 and 821,976.60

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Solution

The fourth proportional to 1,833,126.02, 2,749,527.48 and 821,976.60 is: 1,232,892.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833,126.02 : 2,749,527.48 = 821,976.60 : x
  2. Step 2: Convert to fraction form
    1,833,126.02/2,749,527.48 = 821,976.60/x
  3. Step 3: Cross multiply
    1,833,126.02x = 2,749,527.48 × 821,976.60
  4. Step 4: Simplify right side
    1,833,126.02x = 2,260,047,249,616.97
  5. Step 5: Solve for x
    x = 2,260,047,249,616.97/1,833,126.02
  6. Step 6: Final answer
    x = 1,232,892.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.